removed -k argument for gunicorn
removed -k argument for gunicorn

graphicore/fontbakery,moyogo/fontbakery,vitalyvolkov/fontbakery,graphicore/fontbakery,googlefonts/fontbakery,googlefonts/fontbakery,davelab6/fontbakery,googlefonts/fontbakery,moyogo/fontbakery,vitalyvolkov/fontbakery,jessamynsmith/fontbakery,graphicore/fontbakery,moyogo/fontbakery,vitalyvolkov/fontbakery